Merge pull request #15 from ndawe/master

Major stats/workspace updates
Add bkg uncertainty to the ratio plot
Merge pull request #16 from qbuat/master

Add bkg uncertainty to the ratio plot
fix the way to retrieve the significance from the pickle file created by multisig
Merge pull request #17 from qbuat/master

fix the way to retrieve the significance from the pickle file created by...
Merge pull request #18 from ndawe/master

fix blinding range